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   <div id="projectname">IgH EtherCAT Master
   &#160;<span id="projectnumber">1.5.2</span>
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<a href="module_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *  $Id: module.c,v ec403cf308eb 2013/02/12 14:46:43 fp $</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *  This file is part of the IgH EtherCAT Master.</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *  The IgH EtherCAT Master is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *  modify it under the terms of the GNU General Public License version 2, as</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *  published by the Free Software Foundation.</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *  The IgH EtherCAT Master is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *  but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *  Public License for more details.</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *  You should have received a copy of the GNU General Public License along</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *  with the IgH EtherCAT Master; if not, write to the Free Software</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *  ---</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> *  The license mentioned above concerns the source code only. Using the</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> *  EtherCAT technology and brand is only permitted in compliance with the</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *  industrial property and similar rights of Beckhoff Automation GmbH.</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &lt;linux/module.h&gt;</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;linux/device.h&gt;</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &lt;linux/err.h&gt;</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="globals_8h.html">globals.h</a>&quot;</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="master_8h.html">master.h</a>&quot;</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="device_8h.html">device.h</a>&quot;</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="module_8c.html#a7b5e78fbc39d2e9e0f09eeab29609f63">   46</a></span>&#160;<span class="preprocessor">#define MAX_MASTERS 32 </span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor"></span><span class="comment">/*****************************************************************************/</span><span class="preprocessor"></span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keywordtype">int</span> __init <a class="code" href="module_8c.html#ad77077729d1fe5cbbce29b60bd9833e6">ec_init_module</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keywordtype">void</span> __exit <a class="code" href="module_8c.html#ac716459f3654d685d044a08fcb1c5f0e">ec_cleanup_module</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="module_8c.html#a17aa854d45f95d637b87d676e4e36e83">ec_mac_parse</a>(uint8_t *, <span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keywordtype">int</span>);</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="module_8c.html#a592ab6f7fc76f88a67a72e6fcdb21595">   57</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">char</span> *<a class="code" href="module_8c.html#a592ab6f7fc76f88a67a72e6fcdb21595">main_devices</a>[<a class="code" href="module_8c.html#a7b5e78fbc39d2e9e0f09eeab29609f63">MAX_MASTERS</a>]; </div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">   58</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>; </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="module_8c.html#ae6fdc69051135b58fda52334482310c3">   59</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">char</span> *<a class="code" href="module_8c.html#ae6fdc69051135b58fda52334482310c3">backup_devices</a>[<a class="code" href="module_8c.html#a7b5e78fbc39d2e9e0f09eeab29609f63">MAX_MASTERS</a>]; </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="module_8c.html#a91a9985578486eb68c5eceb8ad9f7e7f">   60</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="module_8c.html#a91a9985578486eb68c5eceb8ad9f7e7f">backup_count</a>; </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">   61</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">debug_level</a>;  </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="module_8c.html#a9fbdc17f449c70c1665f21726c301dd7">   63</a></span>&#160;<span class="keyword">static</span> <a class="code" href="structec__master.html">ec_master_t</a> *<a class="code" href="module_8c.html#a9fbdc17f449c70c1665f21726c301dd7">masters</a>; </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">   64</a></span>&#160;<span class="keyword">static</span> <span class="keyword">struct </span>semaphore <a class="code" href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">master_sem</a>; </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">   66</a></span>&#160;dev_t <a class="code" href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">device_number</a>; </div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="module_8c.html#a9b6474dd18270738a5c4853fd93b5e70">   67</a></span>&#160;<span class="keyword">struct </span><a class="code" href="module_8c.html#a9b6474dd18270738a5c4853fd93b5e70">class</a> *<span class="keyword">class</span>; </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">   69</a></span>&#160;<span class="keyword">static</span> uint8_t <a class="code" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a>[<a class="code" href="module_8c.html#a7b5e78fbc39d2e9e0f09eeab29609f63">MAX_MASTERS</a>][2][ETH_ALEN]; </div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="module_8c.html#ab5580493c8bf2eaa43174a4fe78abc72">   71</a></span>&#160;<span class="keywordtype">char</span> *<a class="code" href="module_8c.html#ab5580493c8bf2eaa43174a4fe78abc72">ec_master_version_str</a> = EC_MASTER_VERSION; </div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;MODULE_AUTHOR(<span class="stringliteral">&quot;Florian Pose &lt;fp@igh-essen.com&gt;&quot;</span>);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;MODULE_DESCRIPTION(<span class="stringliteral">&quot;EtherCAT master driver module&quot;</span>);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;MODULE_LICENSE(<span class="stringliteral">&quot;GPL&quot;</span>);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;MODULE_VERSION(EC_MASTER_VERSION);</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;module_param_array(<a class="code" href="module_8c.html#a592ab6f7fc76f88a67a72e6fcdb21595">main_devices</a>, charp, &amp;<a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>, S_IRUGO);</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;MODULE_PARM_DESC(<a class="code" href="module_8c.html#a592ab6f7fc76f88a67a72e6fcdb21595">main_devices</a>, <span class="stringliteral">&quot;MAC addresses of main devices&quot;</span>);</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;module_param_array(<a class="code" href="module_8c.html#ae6fdc69051135b58fda52334482310c3">backup_devices</a>, charp, &amp;<a class="code" href="module_8c.html#a91a9985578486eb68c5eceb8ad9f7e7f">backup_count</a>, S_IRUGO);</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;MODULE_PARM_DESC(<a class="code" href="module_8c.html#ae6fdc69051135b58fda52334482310c3">backup_devices</a>, <span class="stringliteral">&quot;MAC addresses of backup devices&quot;</span>);</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;module_param_named(<a class="code" href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">debug_level</a>, <a class="code" href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">debug_level</a>, uint, S_IRUGO);</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;MODULE_PARM_DESC(<a class="code" href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">debug_level</a>, <span class="stringliteral">&quot;Debug level&quot;</span>);</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="module_8c.html#ad77077729d1fe5cbbce29b60bd9833e6">   98</a></span>&#160;<span class="keywordtype">int</span> __init <a class="code" href="module_8c.html#ad77077729d1fe5cbbce29b60bd9833e6">ec_init_module</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;{</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keywordtype">int</span> i, ret = 0;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <a class="code" href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a>(<span class="stringliteral">&quot;Master driver %s\n&quot;</span>, EC_MASTER_VERSION);</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    sema_init(&amp;<a class="code" href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">master_sem</a>, 1);</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>) {</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        <span class="keywordflow">if</span> (alloc_chrdev_region(&amp;<a class="code" href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">device_number</a>,</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;                    0, <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>, <span class="stringliteral">&quot;EtherCAT&quot;</span>)) {</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            <a class="code" href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a>(<span class="stringliteral">&quot;Failed to obtain device number(s)!\n&quot;</span>);</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;            ret = -EBUSY;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            <span class="keywordflow">goto</span> out_return;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        }</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    }</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="keyword">class </span>= class_create(THIS_MODULE, &quot;EtherCAT&quot;);</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordflow">if</span> (IS_ERR(<span class="keyword">class</span>)) {</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        <a class="code" href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a>(<span class="stringliteral">&quot;Failed to create device class.\n&quot;</span>);</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        ret = PTR_ERR(<span class="keyword">class</span>);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keywordflow">goto</span> out_cdev;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    }</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="comment">// zero MAC addresses</span></div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    memset(<a class="code" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a>, 0x00, <span class="keyword">sizeof</span>(uint8_t) * <a class="code" href="module_8c.html#a7b5e78fbc39d2e9e0f09eeab29609f63">MAX_MASTERS</a> * 2 * ETH_ALEN);</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="comment">// process MAC parameters</span></div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>; i++) {</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        ret = <a class="code" href="module_8c.html#a17aa854d45f95d637b87d676e4e36e83">ec_mac_parse</a>(<a class="code" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a>[i][0], <a class="code" href="module_8c.html#a592ab6f7fc76f88a67a72e6fcdb21595">main_devices</a>[i], 0);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        <span class="keywordflow">if</span> (ret)</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            <span class="keywordflow">goto</span> out_class;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        <span class="keywordflow">if</span> (i &lt; <a class="code" href="module_8c.html#a91a9985578486eb68c5eceb8ad9f7e7f">backup_count</a>) {</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;            ret = <a class="code" href="module_8c.html#a17aa854d45f95d637b87d676e4e36e83">ec_mac_parse</a>(<a class="code" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a>[i][1], <a class="code" href="module_8c.html#ae6fdc69051135b58fda52334482310c3">backup_devices</a>[i], 1);</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            <span class="keywordflow">if</span> (ret)</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;                <span class="keywordflow">goto</span> out_class;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        }</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    }</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="comment">// initialize static master variables</span></div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <a class="code" href="master_8c.html#a1042d68ede5c0f866dc185b89167b31f">ec_master_init_static</a>();</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordflow">if</span> (master_count) {</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keywordflow">if</span> (!(masters = kmalloc(<span class="keyword">sizeof</span>(<a class="code" href="structec__master.html">ec_master_t</a>) * master_count,</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                        GFP_KERNEL))) {</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;            <a class="code" href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a>(<span class="stringliteral">&quot;Failed to allocate memory&quot;</span></div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                    <span class="stringliteral">&quot; for EtherCAT masters.\n&quot;</span>);</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            ret = -ENOMEM;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            <span class="keywordflow">goto</span> out_class;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        }</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    }</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>; i++) {</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        ret = <a class="code" href="master_8c.html#a67209c37a6cbcb6e0db918e85dc74159">ec_master_init</a>(&amp;masters[i], i, <a class="code" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a>[i][0], <a class="code" href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a>[i][1],</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                    <a class="code" href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">device_number</a>, <span class="keyword">class</span>, <a class="code" href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">debug_level</a>);</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;        <span class="keywordflow">if</span> (ret)</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            <span class="keywordflow">goto</span> out_free_masters;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    }</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    <a class="code" href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a>(<span class="stringliteral">&quot;%u master%s waiting for devices.\n&quot;</span>,</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            master_count, (master_count == 1 ? <span class="stringliteral">&quot;&quot;</span> : <span class="stringliteral">&quot;s&quot;</span>));</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;out_free_masters:</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordflow">for</span> (i--; i &gt;= 0; i--)</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        <a class="code" href="master_8c.html#abe60d9fca60eab2dcb0654337caa338e">ec_master_clear</a>(&amp;masters[i]);</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    kfree(masters);</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;out_class:</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    class_destroy(<span class="keyword">class</span>);</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;out_cdev:</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    <span class="keywordflow">if</span> (master_count)</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        unregister_chrdev_region(<a class="code" href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">device_number</a>, master_count);</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;out_return:</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;}</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="module_8c.html#ac716459f3654d685d044a08fcb1c5f0e">  181</a></span>&#160;<span class="keywordtype">void</span> __exit <a class="code" href="module_8c.html#ac716459f3654d685d044a08fcb1c5f0e">ec_cleanup_module</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;{</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>; i++) {</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <a class="code" href="master_8c.html#abe60d9fca60eab2dcb0654337caa338e">ec_master_clear</a>(&amp;masters[i]);</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    }</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    <span class="keywordflow">if</span> (master_count)</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        kfree(masters);</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    class_destroy(<span class="keyword">class</span>);</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keywordflow">if</span> (master_count)</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        unregister_chrdev_region(<a class="code" href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">device_number</a>, master_count);</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <a class="code" href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a>(<span class="stringliteral">&quot;Master module cleaned up.\n&quot;</span>);</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;}</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;</div><div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="module_8c.html#a4262f13e24a72428a0760f9e4e910597">  204</a></span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="module_8c.html#a4262f13e24a72428a0760f9e4e910597">ec_master_count</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;{</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;}</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment">/*****************************************************************************</span></div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="comment"> * MAC address functions</span></div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="comment"> ****************************************************************************/</span></div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;</div><div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="module_8c.html#af6e318c0d5279ce5aad518f156962060">  216</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="module_8c.html#af6e318c0d5279ce5aad518f156962060">ec_mac_equal</a>(</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        <span class="keyword">const</span> uint8_t *mac1, </div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        <span class="keyword">const</span> uint8_t *mac2 </div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        )</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;{</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; ETH_ALEN; i++)</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keywordflow">if</span> (mac1[i] != mac2[i])</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;}</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;</div><div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="module_8c.html#a39e98526a4ed34d4b47146eebc08f341">  234</a></span>&#160;<span class="preprocessor">#define EC_MAX_MAC_STRING_SIZE (3 * ETH_ALEN)</span></div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;</div><div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="module_8c.html#a5e5f8f264803bdcf7d8df527e2149054">  242</a></span>&#160;ssize_t <a class="code" href="module_8c.html#a5e5f8f264803bdcf7d8df527e2149054">ec_mac_print</a>(</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;        <span class="keyword">const</span> uint8_t *mac, </div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        <span class="keywordtype">char</span> *buffer </div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;        )</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;{</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    off_t off = 0;</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; ETH_ALEN; i++) {</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        off += sprintf(buffer + off, <span class="stringliteral">&quot;%02X&quot;</span>, mac[i]);</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        <span class="keywordflow">if</span> (i &lt; ETH_ALEN - 1) off += sprintf(buffer + off, <span class="stringliteral">&quot;:&quot;</span>);</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    }</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;    <span class="keywordflow">return</span> off;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;}</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="module_8c.html#a85fb1be9fffaec7aee741cc224a7b6b2">  263</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="module_8c.html#a85fb1be9fffaec7aee741cc224a7b6b2">ec_mac_is_zero</a>(</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;        <span class="keyword">const</span> uint8_t *mac </div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;        )</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;{</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; ETH_ALEN; i++)</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        <span class="keywordflow">if</span> (mac[i])</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;            <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;}</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;</div><div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="module_8c.html#a91a626e2e5f82abd07434ca87dd28ee5">  281</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="module_8c.html#a91a626e2e5f82abd07434ca87dd28ee5">ec_mac_is_broadcast</a>(</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;        <span class="keyword">const</span> uint8_t *mac </div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        )</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;{</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; ETH_ALEN; i++)</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        <span class="keywordflow">if</span> (mac[i] != 0xff)</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;            <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;}</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;</div><div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="module_8c.html#a17aa854d45f95d637b87d676e4e36e83">  303</a></span>&#160;<span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="module_8c.html#a17aa854d45f95d637b87d676e4e36e83">ec_mac_parse</a>(uint8_t *mac, <span class="keyword">const</span> <span class="keywordtype">char</span> *src, <span class="keywordtype">int</span> allow_empty)</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;{</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, value;</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">char</span> *orig = src;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keywordtype">char</span> *rem;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="keywordflow">if</span> (!strlen(src)) {</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;        <span class="keywordflow">if</span> (allow_empty){</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;            <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;        } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;            <a class="code" href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a>(<span class="stringliteral">&quot;MAC address may not be empty.\n&quot;</span>);</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;            <span class="keywordflow">return</span> -EINVAL;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;        }</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    }</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; ETH_ALEN; i++) {</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;        value = simple_strtoul(src, &amp;rem, 16);</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;        <span class="keywordflow">if</span> (rem != src + 2</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;                || value &gt; 0xFF</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;                || (i &lt; ETH_ALEN - 1 &amp;&amp; *rem != <span class="charliteral">&#39;:&#39;</span>)) {</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            <a class="code" href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a>(<span class="stringliteral">&quot;Invalid MAC address \&quot;%s\&quot;.\n&quot;</span>, orig);</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            <span class="keywordflow">return</span> -EINVAL;</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;        }</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;        mac[i] = value;</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;        <span class="keywordflow">if</span> (i &lt; ETH_ALEN - 1) {</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;            src = rem + 1; <span class="comment">// skip colon</span></div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;        }</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    }</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;}</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;</div><div class="line"><a name="l00341"></a><span class="lineno"><a class="line" href="module_8c.html#a32aac44a0499658de8c6bccd603ed434">  341</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="module_8c.html#a32aac44a0499658de8c6bccd603ed434">ec_print_data</a>(<span class="keyword">const</span> uint8_t *data, </div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;                   <span class="keywordtype">size_t</span> size </div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;                   )</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;{</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    <a class="code" href="globals_8h.html#af1b60b9f7b88d42c2563c45dbd4ca478">EC_DBG</a>(<span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; size; i++) {</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;        printk(<span class="stringliteral">&quot;%02X &quot;</span>, data[i]);</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;        <span class="keywordflow">if</span> ((i + 1) % 16 == 0 &amp;&amp; i &lt; size - 1) {</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;            printk(<span class="stringliteral">&quot;\n&quot;</span>);</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;            <a class="code" href="globals_8h.html#af1b60b9f7b88d42c2563c45dbd4ca478">EC_DBG</a>(<span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;        }</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;        <span class="keywordflow">if</span> (i + 1 == 128 &amp;&amp; size &gt; 256) {</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;            printk(<span class="stringliteral">&quot;dropped %zu bytes\n&quot;</span>, size - 128 - i);</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;            i = size - 128;</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;            <a class="code" href="globals_8h.html#af1b60b9f7b88d42c2563c45dbd4ca478">EC_DBG</a>(<span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;        }</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    }</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    printk(<span class="stringliteral">&quot;\n&quot;</span>);</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;}</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;</div><div class="line"><a name="l00369"></a><span class="lineno"><a class="line" href="module_8c.html#a7081243a7dd80399794dbcb64bb8dd4d">  369</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="module_8c.html#a7081243a7dd80399794dbcb64bb8dd4d">ec_print_data_diff</a>(<span class="keyword">const</span> uint8_t *d1, </div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;                        <span class="keyword">const</span> uint8_t *d2, </div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;                        <span class="keywordtype">size_t</span> size </div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;                        )</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;{</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    <a class="code" href="globals_8h.html#af1b60b9f7b88d42c2563c45dbd4ca478">EC_DBG</a>(<span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; size; i++) {</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;        <span class="keywordflow">if</span> (d1[i] == d2[i]) printk(<span class="stringliteral">&quot;.. &quot;</span>);</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;        <span class="keywordflow">else</span> printk(<span class="stringliteral">&quot;%02X &quot;</span>, d2[i]);</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;        <span class="keywordflow">if</span> ((i + 1) % 16 == 0) {</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;            printk(<span class="stringliteral">&quot;\n&quot;</span>);</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            <a class="code" href="globals_8h.html#af1b60b9f7b88d42c2563c45dbd4ca478">EC_DBG</a>(<span class="stringliteral">&quot;&quot;</span>);</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        }</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;    }</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;    printk(<span class="stringliteral">&quot;\n&quot;</span>);</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;}</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno"><a class="line" href="module_8c.html#a0b63e327288b0b8c0cbef1f62592f12f">  394</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="module_8c.html#a0b63e327288b0b8c0cbef1f62592f12f">ec_state_string</a>(uint8_t states, </div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;                       <span class="keywordtype">char</span> *buffer, </div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;                       uint8_t multi </div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;                       )</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;{</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    off_t off = 0;</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> first = 1;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    <span class="keywordflow">if</span> (!states) {</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        off += sprintf(buffer + off, <span class="stringliteral">&quot;(unknown)&quot;</span>);</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;        <span class="keywordflow">return</span> off;</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    }</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    <span class="keywordflow">if</span> (multi) { <span class="comment">// multiple slaves</span></div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        <span class="keywordflow">if</span> (states &amp; <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0af8bd16b734a32ab829a51f81620edfff">EC_SLAVE_STATE_INIT</a>) {</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;INIT&quot;</span>);</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;            first = 0;</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;        }</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;        <span class="keywordflow">if</span> (states &amp; <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a1db532f4df475e41ee0613551f7bdc0c">EC_SLAVE_STATE_PREOP</a>) {</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            <span class="keywordflow">if</span> (!first) off += sprintf(buffer + off, <span class="stringliteral">&quot;, &quot;</span>);</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;PREOP&quot;</span>);</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;            first = 0;</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;        }</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        <span class="keywordflow">if</span> (states &amp; <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a42a5127410509dad07baf40ba938ecf4">EC_SLAVE_STATE_SAFEOP</a>) {</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;            <span class="keywordflow">if</span> (!first) off += sprintf(buffer + off, <span class="stringliteral">&quot;, &quot;</span>);</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;SAFEOP&quot;</span>);</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;            first = 0;</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;        }</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;        <span class="keywordflow">if</span> (states &amp; <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a321dab0f12d522422d158b8cf64351f8">EC_SLAVE_STATE_OP</a>) {</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;            <span class="keywordflow">if</span> (!first) off += sprintf(buffer + off, <span class="stringliteral">&quot;, &quot;</span>);</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;OP&quot;</span>);</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        }</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    } <span class="keywordflow">else</span> { <span class="comment">// single slave</span></div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;        <span class="keywordflow">if</span> ((states &amp; <a class="code" href="globals_8h.html#a372d9b2d6575b0a9550533be831424c2">EC_SLAVE_STATE_MASK</a>) == <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0af8bd16b734a32ab829a51f81620edfff">EC_SLAVE_STATE_INIT</a>) {</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;INIT&quot;</span>);</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((states &amp; EC_SLAVE_STATE_MASK) == <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a1db532f4df475e41ee0613551f7bdc0c">EC_SLAVE_STATE_PREOP</a>) {</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;PREOP&quot;</span>);</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((states &amp; EC_SLAVE_STATE_MASK) == <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a071e3e465f3a44800dbca990ce475513">EC_SLAVE_STATE_BOOT</a>) {</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;BOOT&quot;</span>);</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((states &amp; EC_SLAVE_STATE_MASK) == <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a42a5127410509dad07baf40ba938ecf4">EC_SLAVE_STATE_SAFEOP</a>) {</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;SAFEOP&quot;</span>);</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((states &amp; EC_SLAVE_STATE_MASK) == <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a321dab0f12d522422d158b8cf64351f8">EC_SLAVE_STATE_OP</a>) {</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;OP&quot;</span>);</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;        } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;            off += sprintf(buffer + off, <span class="stringliteral">&quot;(invalid)&quot;</span>);</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        }</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        first = 0;</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    }</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    <span class="keywordflow">if</span> (states &amp; <a class="code" href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0afa4a479453f36ac36204ece05aeacd82">EC_SLAVE_STATE_ACK_ERR</a>) {</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;        <span class="keywordflow">if</span> (!first) off += sprintf(buffer + off, <span class="stringliteral">&quot; + &quot;</span>);</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;        off += sprintf(buffer + off, <span class="stringliteral">&quot;ERROR&quot;</span>);</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;    }</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    <span class="keywordflow">return</span> off;</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;}</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="comment">/******************************************************************************</span></div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="comment"> *  Device interface</span></div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;</div><div class="line"><a name="l00458"></a><span class="lineno"><a class="line" href="module_8c.html#ab60dd3400b4ae7f326c3edb327505829">  458</a></span>&#160;<span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="module_8c.html#ab60dd3400b4ae7f326c3edb327505829">ec_device_names</a>[2] = {</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;    <span class="stringliteral">&quot;main&quot;</span>,</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;    <span class="stringliteral">&quot;backup&quot;</span></div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;};</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;</div><div class="line"><a name="l00473"></a><span class="lineno"><a class="line" href="group__DeviceInterface.html#ga522b0264934a68d51cc5b67f2c76ef30">  473</a></span>&#160;<a class="code" href="structec__device.html">ec_device_t</a> *<a class="code" href="group__DeviceInterface.html#ga522b0264934a68d51cc5b67f2c76ef30">ecdev_offer</a>(</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;        <span class="keyword">struct</span> net_device *net_dev, </div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        <a class="code" href="ecdev_8h.html#a789bcd88d869f88c58bd13b451b3fd52">ec_pollfunc_t</a> poll, </div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;        <span class="keyword">struct</span> module *module </div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;        )</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;{</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    <a class="code" href="structec__master.html">ec_master_t</a> *master;</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    <span class="keywordtype">char</span> str[<a class="code" href="module_8c.html#a39e98526a4ed34d4b47146eebc08f341">EC_MAX_MAC_STRING_SIZE</a>];</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, dev_idx;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>; i++) {</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;        master = &amp;masters[i];</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;        <a class="code" href="module_8c.html#a5e5f8f264803bdcf7d8df527e2149054">ec_mac_print</a>(net_dev-&gt;dev_addr, str);</div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;        <span class="keywordflow">if</span> (down_interruptible(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>)) {</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;            <a class="code" href="master_8h.html#af75617c47fe87f4f60e8593d7e79dbc0">EC_MASTER_WARN</a>(master, <span class="stringliteral">&quot;%s() interrupted!\n&quot;</span>, __func__);</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;            <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        }</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;        <span class="keywordflow">for</span> (dev_idx = <a class="code" href="globals_8h.html#ad1a2101422888687598d7e1a630c6343a6cc7c24499003f339df547ab73605f13">EC_DEVICE_MAIN</a>;</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;                dev_idx &lt; <a class="code" href="master_8h.html#a27e6deff35543c304e8a191c64f35cf3">ec_master_num_devices</a>(master); dev_idx++) {</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            <span class="keywordflow">if</span> (!master-&gt;<a class="code" href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">devices</a>[dev_idx].<a class="code" href="structec__device.html#a9503692598d3950969ca8b4daf5fd5ac">dev</a></div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;                &amp;&amp; (<a class="code" href="module_8c.html#af6e318c0d5279ce5aad518f156962060">ec_mac_equal</a>(master-&gt;<a class="code" href="structec__master.html#ae06cfb9422989fbdcce9e17242aeeaa4">macs</a>[dev_idx], net_dev-&gt;dev_addr)</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;                    || <a class="code" href="module_8c.html#a91a626e2e5f82abd07434ca87dd28ee5">ec_mac_is_broadcast</a>(master-&gt;<a class="code" href="structec__master.html#ae06cfb9422989fbdcce9e17242aeeaa4">macs</a>[dev_idx]))) {</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;                <a class="code" href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a>(<span class="stringliteral">&quot;Accepting %s as %s device for master %u.\n&quot;</span>,</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;                        str, <a class="code" href="module_8c.html#ab60dd3400b4ae7f326c3edb327505829">ec_device_names</a>[dev_idx != 0], master-&gt;<a class="code" href="structec__master.html#a78fe13519ced082c9a212711bec49ed3">index</a>);</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;                <a class="code" href="device_8c.html#a20976f86443d49ebf67caf83d4c0e156">ec_device_attach</a>(&amp;master-&gt;<a class="code" href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">devices</a>[dev_idx],</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;                        net_dev, poll, module);</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;                up(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>);</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;                snprintf(net_dev-&gt;name, IFNAMSIZ, <span class="stringliteral">&quot;ec%c%u&quot;</span>,</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;                        <a class="code" href="module_8c.html#ab60dd3400b4ae7f326c3edb327505829">ec_device_names</a>[dev_idx != 0][0], master-&gt;<a class="code" href="structec__master.html#a78fe13519ced082c9a212711bec49ed3">index</a>);</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;                <span class="keywordflow">return</span> &amp;master-&gt;<a class="code" href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">devices</a>[dev_idx]; <span class="comment">// offer accepted</span></div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;            }</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;        }</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;</div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;        up(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>);</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;        <a class="code" href="master_8h.html#a6cc0dea5aa374291f2379e844de741d0">EC_MASTER_DBG</a>(master, 1, <span class="stringliteral">&quot;Master declined device %s.\n&quot;</span>, str);</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;    }</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;    <span class="keywordflow">return</span> NULL; <span class="comment">// offer declined</span></div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;}</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;</div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment">/******************************************************************************</span></div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="comment"> * Application interface</span></div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;</div><div class="line"><a name="l00530"></a><span class="lineno"><a class="line" href="module_8c.html#a878af0eaf81e240f83cc09bc3128f583">  530</a></span>&#160;<a class="code" href="structec__master.html">ec_master_t</a> *<a class="code" href="module_8c.html#a878af0eaf81e240f83cc09bc3128f583">ecrt_request_master_err</a>(</div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> master_index </div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;        )</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;{</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    <a class="code" href="structec__master.html">ec_master_t</a> *master, *errptr = NULL;</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dev_idx = <a class="code" href="globals_8h.html#ad1a2101422888687598d7e1a630c6343a6cc7c24499003f339df547ab73605f13">EC_DEVICE_MAIN</a>;</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    <a class="code" href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a>(<span class="stringliteral">&quot;Requesting master %u...\n&quot;</span>, master_index);</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    <span class="keywordflow">if</span> (master_index &gt;= <a class="code" href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a>) {</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;        <a class="code" href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a>(<span class="stringliteral">&quot;Invalid master index %u.\n&quot;</span>, master_index);</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;        errptr = ERR_PTR(-EINVAL);</div><div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;        <span class="keywordflow">goto</span> out_return;</div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;    }</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;    master = &amp;masters[master_index];</div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;</div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;    <span class="keywordflow">if</span> (down_interruptible(&amp;<a class="code" href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">master_sem</a>)) {</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;        errptr = ERR_PTR(-EINTR);</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;        <span class="keywordflow">goto</span> out_return;</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;    }</div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;</div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;    <span class="keywordflow">if</span> (master-&gt;<a class="code" href="structec__master.html#ace80d85886a06d3608f853a7b37fb8c9">reserved</a>) {</div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;        up(&amp;<a class="code" href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">master_sem</a>);</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;        <a class="code" href="master_8h.html#aece1fb7ea6af168ba7513c9d7b0a523a">EC_MASTER_ERR</a>(master, <span class="stringliteral">&quot;Master already in use!\n&quot;</span>);</div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;        errptr = ERR_PTR(-EBUSY);</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;        <span class="keywordflow">goto</span> out_return;</div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;    }</div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;    master-&gt;<a class="code" href="structec__master.html#ace80d85886a06d3608f853a7b37fb8c9">reserved</a> = 1;</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;    up(&amp;<a class="code" href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">master_sem</a>);</div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;    <span class="keywordflow">if</span> (down_interruptible(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>)) {</div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;        errptr = ERR_PTR(-EINTR);</div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;        <span class="keywordflow">goto</span> out_release;</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;    }</div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;</div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;    <span class="keywordflow">if</span> (master-&gt;<a class="code" href="structec__master.html#aeeac95bdfc711903f48710b31e8b78a2">phase</a> != <a class="code" href="master_8h.html#aebcf0998049ecde580a47832fb3b36f0a243c4f44013cdfedb1105cb13e6b1191">EC_IDLE</a>) {</div><div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;        up(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>);</div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;        <a class="code" href="master_8h.html#aece1fb7ea6af168ba7513c9d7b0a523a">EC_MASTER_ERR</a>(master, <span class="stringliteral">&quot;Master still waiting for devices!\n&quot;</span>);</div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;        errptr = ERR_PTR(-ENODEV);</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;        <span class="keywordflow">goto</span> out_release;</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;    }</div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;</div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;    <span class="keywordflow">for</span> (; dev_idx &lt; <a class="code" href="master_8h.html#a27e6deff35543c304e8a191c64f35cf3">ec_master_num_devices</a>(master); dev_idx++) {</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;        <a class="code" href="structec__device.html">ec_device_t</a> *device = &amp;master-&gt;<a class="code" href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">devices</a>[dev_idx];</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        <span class="keywordflow">if</span> (!try_module_get(device-&gt;<a class="code" href="structec__device.html#a79af9075672aa2abf993a703b4d964ed">module</a>)) {</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;            up(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>);</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;            <a class="code" href="master_8h.html#aece1fb7ea6af168ba7513c9d7b0a523a">EC_MASTER_ERR</a>(master, <span class="stringliteral">&quot;Device module is unloading!\n&quot;</span>);</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;            errptr = ERR_PTR(-ENODEV);</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;            <span class="keywordflow">goto</span> out_module_put;</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;        }</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;    }</div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;</div><div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;    up(&amp;master-&gt;<a class="code" href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">device_sem</a>);</div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;</div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="master_8c.html#a3fce542facf1fd0cee605b15b9a9e890">ec_master_enter_operation_phase</a>(master)) {</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;        <a class="code" href="master_8h.html#aece1fb7ea6af168ba7513c9d7b0a523a">EC_MASTER_ERR</a>(master, <span class="stringliteral">&quot;Failed to enter OPERATION phase!\n&quot;</span>);</div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;        errptr = ERR_PTR(-EIO);</div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;        <span class="keywordflow">goto</span> out_module_put;</div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;    }</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;</div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;    <a class="code" href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a>(<span class="stringliteral">&quot;Successfully requested master %u.\n&quot;</span>, master_index);</div><div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    <span class="keywordflow">return</span> master;</div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160; out_module_put:</div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    <span class="keywordflow">for</span> (; dev_idx &gt; 0; dev_idx--) {</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;        <a class="code" href="structec__device.html">ec_device_t</a> *device = &amp;master-&gt;<a class="code" href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">devices</a>[dev_idx - 1];</div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;        module_put(device-&gt;<a class="code" href="structec__device.html#a79af9075672aa2abf993a703b4d964ed">module</a>);</div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;    }</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160; out_release:</div><div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;    master-&gt;<a class="code" href="structec__master.html#ace80d85886a06d3608f853a7b37fb8c9">reserved</a> = 0;</div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160; out_return:</div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;    <span class="keywordflow">return</span> errptr;</div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;}</div><div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;</div><div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;</div><div class="line"><a name="l00606"></a><span class="lineno"><a class="line" href="group__ApplicationInterface.html#gafb85534b6fcba3fa1fab6c81173b2ed1">  606</a></span>&#160;<a class="code" href="structec__master.html">ec_master_t</a> *<a class="code" href="group__ApplicationInterface.html#gafb85534b6fcba3fa1fab6c81173b2ed1">ecrt_request_master</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> master_index)</div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;{</div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    <a class="code" href="structec__master.html">ec_master_t</a> *master = <a class="code" href="module_8c.html#a878af0eaf81e240f83cc09bc3128f583">ecrt_request_master_err</a>(master_index);</div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;    <span class="keywordflow">return</span> IS_ERR(master) ? NULL : master;</div><div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;}</div><div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;</div><div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;</div><div class="line"><a name="l00614"></a><span class="lineno"><a class="line" href="group__ApplicationInterface.html#ga64219721098ec5069eab27f1923de9ea">  614</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="group__ApplicationInterface.html#ga64219721098ec5069eab27f1923de9ea">ecrt_release_master</a>(<a class="code" href="structec__master.html">ec_master_t</a> *master)</div><div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;{</div><div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> dev_idx;</div><div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;</div><div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;    <a class="code" href="master_8h.html#a306a2bcfad973302ae507c9c6978b816">EC_MASTER_INFO</a>(master, <span class="stringliteral">&quot;Releasing master...\n&quot;</span>);</div><div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;</div><div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;    <span class="keywordflow">if</span> (!master-&gt;<a class="code" href="structec__master.html#ace80d85886a06d3608f853a7b37fb8c9">reserved</a>) {</div><div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;        <a class="code" href="master_8h.html#af75617c47fe87f4f60e8593d7e79dbc0">EC_MASTER_WARN</a>(master, <span class="stringliteral">&quot;%s(): Master was was not requested!\n&quot;</span>,</div><div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;                __func__);</div><div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;    }</div><div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;</div><div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;    <a class="code" href="master_8c.html#ae7481d16bd218ab84f395a0382b4de64">ec_master_leave_operation_phase</a>(master);</div><div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;</div><div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;    <span class="keywordflow">for</span> (dev_idx = <a class="code" href="globals_8h.html#ad1a2101422888687598d7e1a630c6343a6cc7c24499003f339df547ab73605f13">EC_DEVICE_MAIN</a>; dev_idx &lt; <a class="code" href="master_8h.html#a27e6deff35543c304e8a191c64f35cf3">ec_master_num_devices</a>(master);</div><div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;            dev_idx++) {</div><div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;        module_put(master-&gt;<a class="code" href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">devices</a>[dev_idx].<a class="code" href="structec__device.html#a79af9075672aa2abf993a703b4d964ed">module</a>);</div><div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;    }</div><div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;</div><div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;    master-&gt;<a class="code" href="structec__master.html#ace80d85886a06d3608f853a7b37fb8c9">reserved</a> = 0;</div><div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;</div><div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    <a class="code" href="master_8h.html#a306a2bcfad973302ae507c9c6978b816">EC_MASTER_INFO</a>(master, <span class="stringliteral">&quot;Released.\n&quot;</span>);</div><div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;}</div><div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;</div><div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;</div><div class="line"><a name="l00640"></a><span class="lineno"><a class="line" href="group__ApplicationInterface.html#ga242aedc8a03b7c4d0121bc670b68bf5b">  640</a></span>&#160;<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="group__ApplicationInterface.html#ga242aedc8a03b7c4d0121bc670b68bf5b">ecrt_version_magic</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;{</div><div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="group__ApplicationInterface.html#ga9da1b3be0320bb6fd2fd7a87874e6324">ECRT_VERSION_MAGIC</a>;</div><div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;}</div><div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;</div><div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;</div><div class="line"><a name="l00651"></a><span class="lineno"><a class="line" href="module_8c.html#a3a9e581016f6c49ce672ccd2784c0b50">  651</a></span>&#160;<span class="keyword">const</span> <a class="code" href="group__ApplicationInterface.html#gae94149f829f04960c62d63764a7779df">ec_request_state_t</a> <a class="code" href="module_8c.html#a3a9e581016f6c49ce672ccd2784c0b50">ec_request_state_translation_table</a>[] = {</div><div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    <a class="code" href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfa8a9e6590d04b31b12b03d7071d106cf5">EC_REQUEST_UNUSED</a>,  <span class="comment">// EC_INT_REQUEST_INIT,</span></div><div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    <a class="code" href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfad031578ebd61309cf3e0f618968fd3a2">EC_REQUEST_BUSY</a>,    <span class="comment">// EC_INT_REQUEST_QUEUED,</span></div><div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    <a class="code" href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfad031578ebd61309cf3e0f618968fd3a2">EC_REQUEST_BUSY</a>,    <span class="comment">// EC_INT_REQUEST_BUSY,</span></div><div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    <a class="code" href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfab2473480381319839a822fc009aa0db5">EC_REQUEST_SUCCESS</a>, <span class="comment">// EC_INT_REQUEST_SUCCESS,</span></div><div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    <a class="code" href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfa870ae0f25d0f780ebcaac16c920f00e3">EC_REQUEST_ERROR</a>    <span class="comment">// EC_INT_REQUEST_FAILURE</span></div><div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;};</div><div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;</div><div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;</div><div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;module_init(<a class="code" href="module_8c.html#ad77077729d1fe5cbbce29b60bd9833e6">ec_init_module</a>);</div><div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;module_exit(<a class="code" href="module_8c.html#ac716459f3654d685d044a08fcb1c5f0e">ec_cleanup_module</a>);</div><div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;</div><div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;EXPORT_SYMBOL(<a class="code" href="group__DeviceInterface.html#ga522b0264934a68d51cc5b67f2c76ef30">ecdev_offer</a>);</div><div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;</div><div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;EXPORT_SYMBOL(<a class="code" href="group__ApplicationInterface.html#gafb85534b6fcba3fa1fab6c81173b2ed1">ecrt_request_master</a>);</div><div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;EXPORT_SYMBOL(<a class="code" href="group__ApplicationInterface.html#ga64219721098ec5069eab27f1923de9ea">ecrt_release_master</a>);</div><div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;EXPORT_SYMBOL(<a class="code" href="group__ApplicationInterface.html#ga242aedc8a03b7c4d0121bc670b68bf5b">ecrt_version_magic</a>);</div><div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;</div><div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="comment">/*****************************************************************************/</span></div><div class="ttc" id="structec__master_html_ace80d85886a06d3608f853a7b37fb8c9"><div class="ttname"><a href="structec__master.html#ace80d85886a06d3608f853a7b37fb8c9">ec_master::reserved</a></div><div class="ttdeci">unsigned int reserved</div><div class="ttdoc">True, if the master is in use. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00196">master.h:196</a></div></div>
<div class="ttc" id="module_8c_html_a32aac44a0499658de8c6bccd603ed434"><div class="ttname"><a href="module_8c.html#a32aac44a0499658de8c6bccd603ed434">ec_print_data</a></div><div class="ttdeci">void ec_print_data(const uint8_t *data, size_t size)</div><div class="ttdoc">Outputs frame contents for debugging purposes. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00341">module.c:341</a></div></div>
<div class="ttc" id="globals_8h_html_a372d9b2d6575b0a9550533be831424c2"><div class="ttname"><a href="globals_8h.html#a372d9b2d6575b0a9550533be831424c2">EC_SLAVE_STATE_MASK</a></div><div class="ttdeci">#define EC_SLAVE_STATE_MASK</div><div class="ttdoc">Slave state mask. </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00123">globals.h:123</a></div></div>
<div class="ttc" id="module_8c_html_ae6fdc69051135b58fda52334482310c3"><div class="ttname"><a href="module_8c.html#ae6fdc69051135b58fda52334482310c3">backup_devices</a></div><div class="ttdeci">static char * backup_devices[MAX_MASTERS]</div><div class="ttdoc">Backup devices parameter. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00059">module.c:59</a></div></div>
<div class="ttc" id="module_8c_html_a0b63e327288b0b8c0cbef1f62592f12f"><div class="ttname"><a href="module_8c.html#a0b63e327288b0b8c0cbef1f62592f12f">ec_state_string</a></div><div class="ttdeci">size_t ec_state_string(uint8_t states, char *buffer, uint8_t multi)</div><div class="ttdoc">Prints slave states in clear text. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00394">module.c:394</a></div></div>
<div class="ttc" id="module_8c_html_a91a626e2e5f82abd07434ca87dd28ee5"><div class="ttname"><a href="module_8c.html#a91a626e2e5f82abd07434ca87dd28ee5">ec_mac_is_broadcast</a></div><div class="ttdeci">int ec_mac_is_broadcast(const uint8_t *mac)</div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00281">module.c:281</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ga64219721098ec5069eab27f1923de9ea"><div class="ttname"><a href="group__ApplicationInterface.html#ga64219721098ec5069eab27f1923de9ea">ecrt_release_master</a></div><div class="ttdeci">void ecrt_release_master(ec_master_t *master)</div><div class="ttdoc">Releases a requested EtherCAT master. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00614">module.c:614</a></div></div>
<div class="ttc" id="master_8c_html_abe60d9fca60eab2dcb0654337caa338e"><div class="ttname"><a href="master_8c.html#abe60d9fca60eab2dcb0654337caa338e">ec_master_clear</a></div><div class="ttdeci">void ec_master_clear(ec_master_t *master)</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> <a href="master_8c_source.html#l00380">master.c:380</a></div></div>
<div class="ttc" id="globals_8h_html_a0e9c38c7520909d649fac451046dcde0a321dab0f12d522422d158b8cf64351f8"><div class="ttname"><a href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a321dab0f12d522422d158b8cf64351f8">EC_SLAVE_STATE_OP</a></div><div class="ttdoc">OP (mailbox communication and input/output update) </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00138">globals.h:138</a></div></div>
<div class="ttc" id="module_8c_html_a5e5f8f264803bdcf7d8df527e2149054"><div class="ttname"><a href="module_8c.html#a5e5f8f264803bdcf7d8df527e2149054">ec_mac_print</a></div><div class="ttdeci">ssize_t ec_mac_print(const uint8_t *mac, char *buffer)</div><div class="ttdoc">Print a MAC address to a buffer. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00242">module.c:242</a></div></div>
<div class="ttc" id="master_8c_html_ae7481d16bd218ab84f395a0382b4de64"><div class="ttname"><a href="master_8c.html#ae7481d16bd218ab84f395a0382b4de64">ec_master_leave_operation_phase</a></div><div class="ttdeci">void ec_master_leave_operation_phase(ec_master_t *master)</div><div class="ttdoc">Transition function from OPERATION to IDLE phase. </div><div class="ttdef"><b>Definition:</b> <a href="master_8c_source.html#l00759">master.c:759</a></div></div>
<div class="ttc" id="master_8h_html_a27e6deff35543c304e8a191c64f35cf3"><div class="ttname"><a href="master_8h.html#a27e6deff35543c304e8a191c64f35cf3">ec_master_num_devices</a></div><div class="ttdeci">#define ec_master_num_devices(MASTER)</div><div class="ttdoc">Number of Ethernet devices. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00328">master.h:328</a></div></div>
<div class="ttc" id="module_8c_html_a39e98526a4ed34d4b47146eebc08f341"><div class="ttname"><a href="module_8c.html#a39e98526a4ed34d4b47146eebc08f341">EC_MAX_MAC_STRING_SIZE</a></div><div class="ttdeci">#define EC_MAX_MAC_STRING_SIZE</div><div class="ttdoc">Maximum MAC string size. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00234">module.c:234</a></div></div>
<div class="ttc" id="structec__device_html_a79af9075672aa2abf993a703b4d964ed"><div class="ttname"><a href="structec__device.html#a79af9075672aa2abf993a703b4d964ed">ec_device::module</a></div><div class="ttdeci">struct module * module</div><div class="ttdoc">pointer to the device&amp;#39;s owning module </div><div class="ttdef"><b>Definition:</b> <a href="device_8h_source.html#l00086">device.h:86</a></div></div>
<div class="ttc" id="module_8c_html_a0677101bf6615d80dd58c8a6fcff850d"><div class="ttname"><a href="module_8c.html#a0677101bf6615d80dd58c8a6fcff850d">device_number</a></div><div class="ttdeci">dev_t device_number</div><div class="ttdoc">Device number for master cdevs. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00066">module.c:66</a></div></div>
<div class="ttc" id="globals_8h_html_a0e9c38c7520909d649fac451046dcde0a071e3e465f3a44800dbca990ce475513"><div class="ttname"><a href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a071e3e465f3a44800dbca990ce475513">EC_SLAVE_STATE_BOOT</a></div><div class="ttdoc">Bootstrap state (mailbox communication, firmware update) </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00134">globals.h:134</a></div></div>
<div class="ttc" id="module_8c_html_a85fb1be9fffaec7aee741cc224a7b6b2"><div class="ttname"><a href="module_8c.html#a85fb1be9fffaec7aee741cc224a7b6b2">ec_mac_is_zero</a></div><div class="ttdeci">int ec_mac_is_zero(const uint8_t *mac)</div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00263">module.c:263</a></div></div>
<div class="ttc" id="module_8c_html_a7b5e78fbc39d2e9e0f09eeab29609f63"><div class="ttname"><a href="module_8c.html#a7b5e78fbc39d2e9e0f09eeab29609f63">MAX_MASTERS</a></div><div class="ttdeci">#define MAX_MASTERS</div><div class="ttdoc">Maximum number of masters. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00046">module.c:46</a></div></div>
<div class="ttc" id="module_8c_html_a9fbdc17f449c70c1665f21726c301dd7"><div class="ttname"><a href="module_8c.html#a9fbdc17f449c70c1665f21726c301dd7">masters</a></div><div class="ttdeci">static ec_master_t * masters</div><div class="ttdoc">Array of masters. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00063">module.c:63</a></div></div>
<div class="ttc" id="module_8c_html_ab5580493c8bf2eaa43174a4fe78abc72"><div class="ttname"><a href="module_8c.html#ab5580493c8bf2eaa43174a4fe78abc72">ec_master_version_str</a></div><div class="ttdeci">char * ec_master_version_str</div><div class="ttdoc">Version string. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00071">module.c:71</a></div></div>
<div class="ttc" id="globals_8h_html_a0e9c38c7520909d649fac451046dcde0afa4a479453f36ac36204ece05aeacd82"><div class="ttname"><a href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0afa4a479453f36ac36204ece05aeacd82">EC_SLAVE_STATE_ACK_ERR</a></div><div class="ttdoc">Acknowledge/Error bit (no actual state) </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00140">globals.h:140</a></div></div>
<div class="ttc" id="module_8c_html_aaa02d25ef5eac3392189e2fae80a6fad"><div class="ttname"><a href="module_8c.html#aaa02d25ef5eac3392189e2fae80a6fad">debug_level</a></div><div class="ttdeci">static unsigned int debug_level</div><div class="ttdoc">Debug level parameter. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00061">module.c:61</a></div></div>
<div class="ttc" id="structec__master_html_ae06cfb9422989fbdcce9e17242aeeaa4"><div class="ttname"><a href="structec__master.html#ae06cfb9422989fbdcce9e17242aeeaa4">ec_master::macs</a></div><div class="ttdeci">const uint8_t * macs[EC_MAX_NUM_DEVICES]</div><div class="ttdoc">Device MAC addresses. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00212">master.h:212</a></div></div>
<div class="ttc" id="module_8c_html_a7081243a7dd80399794dbcb64bb8dd4d"><div class="ttname"><a href="module_8c.html#a7081243a7dd80399794dbcb64bb8dd4d">ec_print_data_diff</a></div><div class="ttdeci">void ec_print_data_diff(const uint8_t *d1, const uint8_t *d2, size_t size)</div><div class="ttdoc">Outputs frame contents and differences for debugging purposes. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00369">module.c:369</a></div></div>
<div class="ttc" id="module_8c_html_a878af0eaf81e240f83cc09bc3128f583"><div class="ttname"><a href="module_8c.html#a878af0eaf81e240f83cc09bc3128f583">ecrt_request_master_err</a></div><div class="ttdeci">ec_master_t * ecrt_request_master_err(unsigned int master_index)</div><div class="ttdoc">Request a master. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00530">module.c:530</a></div></div>
<div class="ttc" id="globals_8h_html"><div class="ttname"><a href="globals_8h.html">globals.h</a></div><div class="ttdoc">Global definitions and macros. </div></div>
<div class="ttc" id="master_8h_html"><div class="ttname"><a href="master_8h.html">master.h</a></div><div class="ttdoc">EtherCAT master structure. </div></div>
<div class="ttc" id="module_8c_html_ac716459f3654d685d044a08fcb1c5f0e"><div class="ttname"><a href="module_8c.html#ac716459f3654d685d044a08fcb1c5f0e">ec_cleanup_module</a></div><div class="ttdeci">void __exit ec_cleanup_module(void)</div><div class="ttdoc">Module cleanup. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00181">module.c:181</a></div></div>
<div class="ttc" id="globals_8h_html_a0e9c38c7520909d649fac451046dcde0a42a5127410509dad07baf40ba938ecf4"><div class="ttname"><a href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a42a5127410509dad07baf40ba938ecf4">EC_SLAVE_STATE_SAFEOP</a></div><div class="ttdoc">SAFEOP (mailbox communication and input update) </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00136">globals.h:136</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ggae94149f829f04960c62d63764a7779dfa8a9e6590d04b31b12b03d7071d106cf5"><div class="ttname"><a href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfa8a9e6590d04b31b12b03d7071d106cf5">EC_REQUEST_UNUSED</a></div><div class="ttdoc">Not requested. </div><div class="ttdef"><b>Definition:</b> <a href="ecrt_8h_source.html#l00518">ecrt.h:518</a></div></div>
<div class="ttc" id="master_8h_html_a6cc0dea5aa374291f2379e844de741d0"><div class="ttname"><a href="master_8h.html#a6cc0dea5aa374291f2379e844de741d0">EC_MASTER_DBG</a></div><div class="ttdeci">#define EC_MASTER_DBG(master, level, fmt, args...)</div><div class="ttdoc">Convenience macro for printing master-specific debug messages to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00111">master.h:111</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_gafb85534b6fcba3fa1fab6c81173b2ed1"><div class="ttname"><a href="group__ApplicationInterface.html#gafb85534b6fcba3fa1fab6c81173b2ed1">ecrt_request_master</a></div><div class="ttdeci">ec_master_t * ecrt_request_master(unsigned int master_index)</div><div class="ttdoc">Requests an EtherCAT master for realtime operation. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00606">module.c:606</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ggae94149f829f04960c62d63764a7779dfad031578ebd61309cf3e0f618968fd3a2"><div class="ttname"><a href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfad031578ebd61309cf3e0f618968fd3a2">EC_REQUEST_BUSY</a></div><div class="ttdoc">Request is being processed. </div><div class="ttdef"><b>Definition:</b> <a href="ecrt_8h_source.html#l00519">ecrt.h:519</a></div></div>
<div class="ttc" id="module_8c_html_a93e568278eb7135eddee0827c5c7eb69"><div class="ttname"><a href="module_8c.html#a93e568278eb7135eddee0827c5c7eb69">macs</a></div><div class="ttdeci">static uint8_t macs[MAX_MASTERS][2][ETH_ALEN]</div><div class="ttdoc">MAC addresses. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00069">module.c:69</a></div></div>
<div class="ttc" id="structec__master_html_aeeac95bdfc711903f48710b31e8b78a2"><div class="ttname"><a href="structec__master.html#aeeac95bdfc711903f48710b31e8b78a2">ec_master::phase</a></div><div class="ttdeci">ec_master_phase_t phase</div><div class="ttdoc">Master phase. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00223">master.h:223</a></div></div>
<div class="ttc" id="module_8c_html_a9d98a9a82dace460030b39bfa8241e4c"><div class="ttname"><a href="module_8c.html#a9d98a9a82dace460030b39bfa8241e4c">master_count</a></div><div class="ttdeci">static unsigned int master_count</div><div class="ttdoc">Number of masters. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00058">module.c:58</a></div></div>
<div class="ttc" id="ecdev_8h_html_a789bcd88d869f88c58bd13b451b3fd52"><div class="ttname"><a href="ecdev_8h.html#a789bcd88d869f88c58bd13b451b3fd52">ec_pollfunc_t</a></div><div class="ttdeci">void(* ec_pollfunc_t)(struct net_device *)</div><div class="ttdoc">Device poll function type. </div><div class="ttdef"><b>Definition:</b> <a href="ecdev_8h_source.html#l00057">ecdev.h:57</a></div></div>
<div class="ttc" id="structec__master_html_acbd28a1ea76d9b758e53a987b18a59c7"><div class="ttname"><a href="structec__master.html#acbd28a1ea76d9b758e53a987b18a59c7">ec_master::device_sem</a></div><div class="ttdeci">struct semaphore device_sem</div><div class="ttdoc">Device semaphore. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00218">master.h:218</a></div></div>
<div class="ttc" id="structec__device_html"><div class="ttname"><a href="structec__device.html">ec_device</a></div><div class="ttdoc">EtherCAT device. </div><div class="ttdef"><b>Definition:</b> <a href="device_8h_source.html#l00081">device.h:81</a></div></div>
<div class="ttc" id="module_8c_html_ad77077729d1fe5cbbce29b60bd9833e6"><div class="ttname"><a href="module_8c.html#ad77077729d1fe5cbbce29b60bd9833e6">ec_init_module</a></div><div class="ttdeci">int __init ec_init_module(void)</div><div class="ttdoc">Module initialization. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00098">module.c:98</a></div></div>
<div class="ttc" id="globals_8h_html_ad1a2101422888687598d7e1a630c6343a6cc7c24499003f339df547ab73605f13"><div class="ttname"><a href="globals_8h.html#ad1a2101422888687598d7e1a630c6343a6cc7c24499003f339df547ab73605f13">EC_DEVICE_MAIN</a></div><div class="ttdoc">Main device. </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00202">globals.h:202</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ga242aedc8a03b7c4d0121bc670b68bf5b"><div class="ttname"><a href="group__ApplicationInterface.html#ga242aedc8a03b7c4d0121bc670b68bf5b">ecrt_version_magic</a></div><div class="ttdeci">unsigned int ecrt_version_magic(void)</div><div class="ttdoc">Returns the version magic of the realtime interface. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00640">module.c:640</a></div></div>
<div class="ttc" id="master_8c_html_a67209c37a6cbcb6e0db918e85dc74159"><div class="ttname"><a href="master_8c.html#a67209c37a6cbcb6e0db918e85dc74159">ec_master_init</a></div><div class="ttdeci">int ec_master_init(ec_master_t *master, unsigned int index, const uint8_t *main_mac, const uint8_t *backup_mac, dev_t device_number, struct class *class, unsigned int debug_level)</div><div class="ttdoc">Master constructor. </div><div class="ttdef"><b>Definition:</b> <a href="master_8c_source.html#l00129">master.c:129</a></div></div>
<div class="ttc" id="master_8h_html_af75617c47fe87f4f60e8593d7e79dbc0"><div class="ttname"><a href="master_8h.html#af75617c47fe87f4f60e8593d7e79dbc0">EC_MASTER_WARN</a></div><div class="ttdeci">#define EC_MASTER_WARN(master, fmt, args...)</div><div class="ttdoc">Convenience macro for printing master-specific warnings to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00097">master.h:97</a></div></div>
<div class="ttc" id="master_8c_html_a3fce542facf1fd0cee605b15b9a9e890"><div class="ttname"><a href="master_8c.html#a3fce542facf1fd0cee605b15b9a9e890">ec_master_enter_operation_phase</a></div><div class="ttdeci">int ec_master_enter_operation_phase(ec_master_t *master)</div><div class="ttdoc">Transition function from IDLE to OPERATION phase. </div><div class="ttdef"><b>Definition:</b> <a href="master_8c_source.html#l00677">master.c:677</a></div></div>
<div class="ttc" id="module_8c_html_a9b6474dd18270738a5c4853fd93b5e70"><div class="ttname"><a href="module_8c.html#a9b6474dd18270738a5c4853fd93b5e70">class</a></div><div class="ttdeci">struct class * class</div><div class="ttdoc">Device class. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00067">module.c:67</a></div></div>
<div class="ttc" id="master_8h_html_aece1fb7ea6af168ba7513c9d7b0a523a"><div class="ttname"><a href="master_8h.html#aece1fb7ea6af168ba7513c9d7b0a523a">EC_MASTER_ERR</a></div><div class="ttdeci">#define EC_MASTER_ERR(master, fmt, args...)</div><div class="ttdoc">Convenience macro for printing master-specific errors to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00085">master.h:85</a></div></div>
<div class="ttc" id="module_8c_html_af6e318c0d5279ce5aad518f156962060"><div class="ttname"><a href="module_8c.html#af6e318c0d5279ce5aad518f156962060">ec_mac_equal</a></div><div class="ttdeci">int ec_mac_equal(const uint8_t *mac1, const uint8_t *mac2)</div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00216">module.c:216</a></div></div>
<div class="ttc" id="globals_8h_html_a0e9c38c7520909d649fac451046dcde0af8bd16b734a32ab829a51f81620edfff"><div class="ttname"><a href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0af8bd16b734a32ab829a51f81620edfff">EC_SLAVE_STATE_INIT</a></div><div class="ttdoc">INIT state (no mailbox communication, no IO) </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00130">globals.h:130</a></div></div>
<div class="ttc" id="master_8h_html_aebcf0998049ecde580a47832fb3b36f0a243c4f44013cdfedb1105cb13e6b1191"><div class="ttname"><a href="master_8h.html#aebcf0998049ecde580a47832fb3b36f0a243c4f44013cdfedb1105cb13e6b1191">EC_IDLE</a></div><div class="ttdoc">Idle phase. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00133">master.h:133</a></div></div>
<div class="ttc" id="globals_8h_html_af1b60b9f7b88d42c2563c45dbd4ca478"><div class="ttname"><a href="globals_8h.html#af1b60b9f7b88d42c2563c45dbd4ca478">EC_DBG</a></div><div class="ttdeci">#define EC_DBG(fmt, args...)</div><div class="ttdoc">Convenience macro for printing EtherCAT debug messages to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00247">globals.h:247</a></div></div>
<div class="ttc" id="globals_8h_html_af96ee5cdd88c3c45a899d15ce40f371c"><div class="ttname"><a href="globals_8h.html#af96ee5cdd88c3c45a899d15ce40f371c">EC_INFO</a></div><div class="ttdeci">#define EC_INFO(fmt, args...)</div><div class="ttdoc">Convenience macro for printing EtherCAT-specific information to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00217">globals.h:217</a></div></div>
<div class="ttc" id="globals_8h_html_aed23297031f2f23bb5d005bb586790cf"><div class="ttname"><a href="globals_8h.html#aed23297031f2f23bb5d005bb586790cf">EC_ERR</a></div><div class="ttdeci">#define EC_ERR(fmt, args...)</div><div class="ttdoc">Convenience macro for printing EtherCAT-specific errors to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00227">globals.h:227</a></div></div>
<div class="ttc" id="group__DeviceInterface_html_ga522b0264934a68d51cc5b67f2c76ef30"><div class="ttname"><a href="group__DeviceInterface.html#ga522b0264934a68d51cc5b67f2c76ef30">ecdev_offer</a></div><div class="ttdeci">ec_device_t * ecdev_offer(struct net_device *net_dev, ec_pollfunc_t poll, struct module *module)</div><div class="ttdoc">Offers an EtherCAT device to a certain master. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00473">module.c:473</a></div></div>
<div class="ttc" id="module_8c_html_a4262f13e24a72428a0760f9e4e910597"><div class="ttname"><a href="module_8c.html#a4262f13e24a72428a0760f9e4e910597">ec_master_count</a></div><div class="ttdeci">unsigned int ec_master_count(void)</div><div class="ttdoc">Get the number of masters. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00204">module.c:204</a></div></div>
<div class="ttc" id="module_8c_html_adaf55d5f5a414db259c65bbad33c1d6a"><div class="ttname"><a href="module_8c.html#adaf55d5f5a414db259c65bbad33c1d6a">master_sem</a></div><div class="ttdeci">static struct semaphore master_sem</div><div class="ttdoc">Master semaphore. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00064">module.c:64</a></div></div>
<div class="ttc" id="module_8c_html_a3a9e581016f6c49ce672ccd2784c0b50"><div class="ttname"><a href="module_8c.html#a3a9e581016f6c49ce672ccd2784c0b50">ec_request_state_translation_table</a></div><div class="ttdeci">const ec_request_state_t ec_request_state_translation_table[]</div><div class="ttdoc">Global request state type translation table. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00651">module.c:651</a></div></div>
<div class="ttc" id="device_8c_html_a20976f86443d49ebf67caf83d4c0e156"><div class="ttname"><a href="device_8c.html#a20976f86443d49ebf67caf83d4c0e156">ec_device_attach</a></div><div class="ttdeci">void ec_device_attach(ec_device_t *device, struct net_device *net_dev, ec_pollfunc_t poll, struct module *module)</div><div class="ttdoc">Associate with net_device. </div><div class="ttdef"><b>Definition:</b> <a href="device_8c_source.html#l00182">device.c:182</a></div></div>
<div class="ttc" id="device_8h_html"><div class="ttname"><a href="device_8h.html">device.h</a></div><div class="ttdoc">EtherCAT device structure. </div></div>
<div class="ttc" id="module_8c_html_a17aa854d45f95d637b87d676e4e36e83"><div class="ttname"><a href="module_8c.html#a17aa854d45f95d637b87d676e4e36e83">ec_mac_parse</a></div><div class="ttdeci">static int ec_mac_parse(uint8_t *, const char *, int)</div><div class="ttdoc">Parse a MAC address from a string. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00303">module.c:303</a></div></div>
<div class="ttc" id="structec__device_html_a9503692598d3950969ca8b4daf5fd5ac"><div class="ttname"><a href="structec__device.html#a9503692598d3950969ca8b4daf5fd5ac">ec_device::dev</a></div><div class="ttdeci">struct net_device * dev</div><div class="ttdoc">pointer to the assigned net_device </div><div class="ttdef"><b>Definition:</b> <a href="device_8h_source.html#l00084">device.h:84</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ggae94149f829f04960c62d63764a7779dfab2473480381319839a822fc009aa0db5"><div class="ttname"><a href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfab2473480381319839a822fc009aa0db5">EC_REQUEST_SUCCESS</a></div><div class="ttdoc">Request was processed successfully. </div><div class="ttdef"><b>Definition:</b> <a href="ecrt_8h_source.html#l00520">ecrt.h:520</a></div></div>
<div class="ttc" id="module_8c_html_a91a9985578486eb68c5eceb8ad9f7e7f"><div class="ttname"><a href="module_8c.html#a91a9985578486eb68c5eceb8ad9f7e7f">backup_count</a></div><div class="ttdeci">static unsigned int backup_count</div><div class="ttdoc">Number of backup devices. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00060">module.c:60</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_gae94149f829f04960c62d63764a7779df"><div class="ttname"><a href="group__ApplicationInterface.html#gae94149f829f04960c62d63764a7779df">ec_request_state_t</a></div><div class="ttdeci">ec_request_state_t</div><div class="ttdoc">Request state. </div><div class="ttdef"><b>Definition:</b> <a href="ecrt_8h_source.html#l00517">ecrt.h:517</a></div></div>
<div class="ttc" id="structec__master_html_a78fe13519ced082c9a212711bec49ed3"><div class="ttname"><a href="structec__master.html#a78fe13519ced082c9a212711bec49ed3">ec_master::index</a></div><div class="ttdeci">unsigned int index</div><div class="ttdoc">Index. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00195">master.h:195</a></div></div>
<div class="ttc" id="globals_8h_html_a0e9c38c7520909d649fac451046dcde0a1db532f4df475e41ee0613551f7bdc0c"><div class="ttname"><a href="globals_8h.html#a0e9c38c7520909d649fac451046dcde0a1db532f4df475e41ee0613551f7bdc0c">EC_SLAVE_STATE_PREOP</a></div><div class="ttdoc">PREOP state (mailbox communication, no IO) </div><div class="ttdef"><b>Definition:</b> <a href="globals_8h_source.html#l00132">globals.h:132</a></div></div>
<div class="ttc" id="master_8h_html_a306a2bcfad973302ae507c9c6978b816"><div class="ttname"><a href="master_8h.html#a306a2bcfad973302ae507c9c6978b816">EC_MASTER_INFO</a></div><div class="ttdeci">#define EC_MASTER_INFO(master, fmt, args...)</div><div class="ttdoc">Convenience macro for printing master-specific information to syslog. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00073">master.h:73</a></div></div>
<div class="ttc" id="module_8c_html_a592ab6f7fc76f88a67a72e6fcdb21595"><div class="ttname"><a href="module_8c.html#a592ab6f7fc76f88a67a72e6fcdb21595">main_devices</a></div><div class="ttdeci">static char * main_devices[MAX_MASTERS]</div><div class="ttdoc">Main devices parameter. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00057">module.c:57</a></div></div>
<div class="ttc" id="structec__master_html"><div class="ttname"><a href="structec__master.html">ec_master</a></div><div class="ttdoc">EtherCAT master. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00194">master.h:194</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ggae94149f829f04960c62d63764a7779dfa870ae0f25d0f780ebcaac16c920f00e3"><div class="ttname"><a href="group__ApplicationInterface.html#ggae94149f829f04960c62d63764a7779dfa870ae0f25d0f780ebcaac16c920f00e3">EC_REQUEST_ERROR</a></div><div class="ttdoc">Request processing failed. </div><div class="ttdef"><b>Definition:</b> <a href="ecrt_8h_source.html#l00521">ecrt.h:521</a></div></div>
<div class="ttc" id="structec__master_html_af339cc3b68bceb8ce25b02f4d8b5891b"><div class="ttname"><a href="structec__master.html#af339cc3b68bceb8ce25b02f4d8b5891b">ec_master::devices</a></div><div class="ttdeci">ec_device_t devices[EC_MAX_NUM_DEVICES]</div><div class="ttdoc">EtherCAT devices. </div><div class="ttdef"><b>Definition:</b> <a href="master_8h_source.html#l00211">master.h:211</a></div></div>
<div class="ttc" id="master_8c_html_a1042d68ede5c0f866dc185b89167b31f"><div class="ttname"><a href="master_8c.html#a1042d68ede5c0f866dc185b89167b31f">ec_master_init_static</a></div><div class="ttdeci">void ec_master_init_static(void)</div><div class="ttdoc">Static variables initializer. </div><div class="ttdef"><b>Definition:</b> <a href="master_8c_source.html#l00108">master.c:108</a></div></div>
<div class="ttc" id="group__ApplicationInterface_html_ga9da1b3be0320bb6fd2fd7a87874e6324"><div class="ttname"><a href="group__ApplicationInterface.html#ga9da1b3be0320bb6fd2fd7a87874e6324">ECRT_VERSION_MAGIC</a></div><div class="ttdeci">#define ECRT_VERSION_MAGIC</div><div class="ttdoc">EtherCAT realtime interface version word. </div><div class="ttdef"><b>Definition:</b> <a href="ecrt_8h_source.html#l00151">ecrt.h:151</a></div></div>
<div class="ttc" id="module_8c_html_ab60dd3400b4ae7f326c3edb327505829"><div class="ttname"><a href="module_8c.html#ab60dd3400b4ae7f326c3edb327505829">ec_device_names</a></div><div class="ttdeci">const char * ec_device_names[2]</div><div class="ttdoc">Device names. </div><div class="ttdef"><b>Definition:</b> <a href="module_8c_source.html#l00458">module.c:458</a></div></div>
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